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  1. Arvicola Terrestris

    Bosch Intuvia display

    How to connect a phone or other gadget to the Intuvia Display: Into the Intuvia display goes a "micro-a usb" Into your phone goes a "micro-b usb" (newer android/gopro/garmin/etc.) Here is a couple of links for this specific type of cable...
  2. Arvicola Terrestris

    Bafang bbs02 / bent frame

    I know so :-) First of all we are most likely dealing with Aluminium 6061-T6. Go above 225 degree Celsius and the hardening begins to weaken, raise the temperature and it goes faster (it's also time dependent). Go above 530 degree Celsius and let it air cool and it's gone. After normal welding...
  3. Arvicola Terrestris

    BOSCH Powerpack battery

    There still appear moist inside the LED readout after a rainfall, and I haven't found a way to open the battery. So until get it opened I don't know if it has any influence on the battery.
  4. Arvicola Terrestris

    Bosch Intuvia display

    I went to the dealer and got a new remote on warranty. And after the first rainfall that one doesn't work either. This part is simply designed wrong.
  5. Arvicola Terrestris

    BOSCH Powerpack battery

    The bike and battery has been running 6000km now. So the bike went to the dealer for some maintenance (oil, brakes and things). Here I asked for a data read out of the battery. It is not an impressive amount of info that I was given, but the total amount of delivered Ah to the motor is a nice...
  6. Arvicola Terrestris

    Bafang BBSxx, replacement of bearings in bottom bracket

    The answer to why your bearing broke down so quickly, could be that it is Chinese. Now before anybody begin to throw stones at me, listen to this: The official explanation from The Danish Technical University - Mechanical Institute, is that the difference between SKF/FAG/INA and Chinese...
  7. Arvicola Terrestris

    BOSCH Powerpack battery

    Found these pictures on ebay http://www.ebay.de/itm/Bosch-E-Bike-Akku-Pedelec-Akku-Powerpack-400-Lithiumakku-/141573699804?pt=LH_DefaultDomain_77&hash=item20f67338dc
  8. Arvicola Terrestris

    sunthing28 ebay seller screwed me and wont answer my message

    Interesting that it's first time you see these threads, you have posted in all of them :lol: It's 15Ah pouches. And the BMS isn't worth fixing.
  9. Arvicola Terrestris

    sunthing28 ebay seller screwed me and wont answer my message

    The picture of the Sunthing28 early in this thread is identical to my Sun-thing28 battery, I bought from him a year ago. It was a 48volt 30Ah, in blue plastic and white foam. The BMS is different, but so is the capacity. Here are threads with the same battery from Sun-thing28 and pictures of...
  10. Arvicola Terrestris

    Bafang BBSxx - fault finding and fixes

    No one but you can put your mind at rest! It can be many things and nothing, finish the conversion take a few rides, and see if it continues. Use some time on the "problem". A few weeks ago I got a weird sound in my bosch center motor after a few days it disappeared. The same thing happened...
  11. Arvicola Terrestris

    Christiania Bike conversion

    I won't recommend doing this Bafang BBSxx conversion if your frame is aluminium. The most straight forward conversion would then be to lace a hub motor into your 24" rear wheel. 500watt should be great and 1000watt awesome. A conversion with two hub motors in the front wheels has been done...
  12. Arvicola Terrestris

    Christiania Bike conversion

    I thought about writing about the Christiania bike in more general terms, and then found this excellent English written history on the homepage of the Christiania Bikes company So here it is, from the companys mouth: Information and picture taken from: http://www.christianiabikes.com/en/
  13. Arvicola Terrestris

    New Bafang Crank-Drives

    On the right side of the diagram there is a summary of max torque, efficiency, speed and power.
  14. Arvicola Terrestris

    New Bafang Crank-Drives

    No, I bought mine from Amy (can't remember the company). These Motor Characteristic Diagrams are worth gold if anybody want to optimize their bicycle gearing. But the diagrams are scattered over the Internet, weird that Bafang isn't doing more on suppling these information to there audience...
  15. Arvicola Terrestris

    New Bafang Crank-Drives

    http://www.tnabattery-ebike.com/?bafang-BBS01-Crank-drive-motor-p199.html
  16. Arvicola Terrestris

    New Bafang Crank-Drives

    The most "real world" I can give you is these measurements Bafang have made: On this curve you can see that the operating RPM of the BBS01 36V at or near full throttle is 85rpm. Or thats what i read it to be :D
  17. Arvicola Terrestris

    Christiania Bike conversion

    The NuVinci was part of the conversion I did. Before the bike had a Sram hub system with integrated 5 gear IGH. The NuVinci is a major upgrade. You won't need more then 5 gears. Depending on what motor wattage you choose, but with a 750 watt motor there is no hill that will stop you.
  18. Arvicola Terrestris

    Christiania Bike conversion

    No The mechanic properties of the cross member is the same after the modification, only concern is the strength of the welds, because its difficult to weld galvanized steel (galvanized inside also). The modification to the large frame tube, the dent, is in a place were the stress is not so...
  19. Arvicola Terrestris

    Christiania Bike conversion

    Depends on how big the rear chainring is :wink: The gear ratio is 2.1:1, which is right in the blink, T46 in front and T22 at the rear. I have a NuVinci in the rear wheel and they specify a maximum gearing of 2:1. The Nuvinci Autoshifter is set at approx. 75 rpm (pedal arm). Highest motor...
  20. Arvicola Terrestris

    Christiania Bike conversion

    4: Not on the Christiania cargo trike model, but they make a two wheel model which I'm sure you can mount a center motor without the need of welding and other very hot techniques. 5: Depending on the the power of your motor, you could upgrade the front brakes to hydraulics, it makes a big...
  21. Arvicola Terrestris

    Christiania Bike conversion

    I got these questions in a PM: My conversion is with a Bafang BBS02 750w 48v. 1: If you will fit the Bafang BBS02 to an Christiania Bike I only know of one model and that is the one with the large single frame tube. There are older model with double frame tubes which can't be used. Also it...
  22. Arvicola Terrestris

    Christiania Bike conversion

    I often gets question about my conversion of my Christiania Bike (cargo trike) into an center motor e-bike. So I've decided to dedicate a thread to Christiania Bike conversions. NOT ONLY MY BIKE, YOURS TOO. Why Christiania Bike in particular? Because there is a rather large community loving...
  23. Arvicola Terrestris

    Bafang BBSxx, replacement of bearings in bottom bracket

    Maybe here: http://www.bike-emotion.org/pedelec-motoren/tretlager---mittelmotoren/ersatzteile-fuer-bbs01/lagerschalen-set-bbs01.php But they seem to be out of stock, but send them a mail and tell us about it.
  24. Arvicola Terrestris

    Tesla P85D Insane Mode

    It's not Dollars it's Kroner, Goggle Translate fault, it's in Kroner later in the article. I think that whatever I throw at you, you won't believe it, the moon landing is also a hoax right? so I just stop here.
  25. Arvicola Terrestris

    Tesla P85D Insane Mode

    I haven't mentioned anything about rental or leasing company, it is obvious that they don't care about the fuel cost. I repeat myself: " the fleet administrators (cars) in the municipals" And repair cost is more then accident repairs, it's oil, brake pads, air filters, spark plugs, fuel...
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